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1、ifwvhb3co0ojxa43sfk6w7we8f94ykc2nr-hpuf5cxz*MEC Technology Co.,Ltd.MARVELL CONFIDENTIAL,UNDER NDA#12103570ifwvhb3co0ojxa43sfk6w7we8f94ykc2nr-hpuf5cxz*MEC Technology Co.,Ltd.MARVELL CONFIDENTIAL,UNDER NDA#12103570ifwvhb3co0ojxa43sfk6w7we8f94ykc2nr-hpuf5cxz*MEC Technology Co.,Ltd.*UNDER NDA#12103570MA

2、RVELL CONFIDENTIAL-UNAUTHORIZED DISTRIBUTION OR USE STRICTLY PROHIBITEDMarvell.Moving Forward FasterDoc.No.MV-S109503-00,Rev.-August 6,2013CONFIDENTIALDocument Classification:Proprietary InformationCoverLink Street 88E6321/88E6320 Functional Specification ifwvhb3co0ojxa43sfk6w7we8f94ykc2nr-hpuf5cxz*

3、MEC Technology Co.,Ltd.MARVELL CONFIDENTIAL,UNDER NDA#12103570ifwvhb3co0ojxa43sfk6w7we8f94ykc2nr-hpuf5cxz*MEC Technology Co.,Ltd.MARVELL CONFIDENTIAL,UNDER NDA#12103570ifwvhb3co0ojxa43sfk6w7we8f94ykc2nr-hpuf5cxz*MEC Technology Co.,Ltd.*UNDER NDA#12103570MARVELL CONFIDENTIAL-UNAUTHORIZED DISTRIBUTION

4、 OR USE STRICTLY PROHIBITED Document Conventions Note:Provides related information or information of special importance.Caution:Indicates potential damage to hardware or software,or loss of data.Warning:Indicates a risk of personal injury.Document StatusDoc Status:Draft Technical Publication:0.03 Fo

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12、 their receipt of any such information.Copyright 19992013.Marvell International Ltd.All rights reserved.Alaska,ARMADA,CarrierSpan,Kinoma,Link Street,LinkCrypt,Marvell logo,Marvell,Moving Forward Faster,PISC,Prestera,Qdeo(for chips),QDEO logo(for chips),QuietVideo,Virtual Cable Tester,Xelerated,and Y

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14、 one or more Marvell patents and/or patent applications.Link Street 88E6321/88E6320 Functional Specification Doc.No.MV-S109503-00 Rev.-CONFIDENTIAL Copyright 2013 MarvellPage 2Document Classification:Proprietary InformationAugust 6,2013,DraftNot Approved by Document Control.For Review Only.ifwvhb3co

15、0ojxa43sfk6w7we8f94ykc2nr-hpuf5cxz*MEC Technology Co.,Ltd.MARVELL CONFIDENTIAL,UNDER NDA#12103570ifwvhb3co0ojxa43sfk6w7we8f94ykc2nr-hpuf5cxz*MEC Technology Co.,Ltd.MARVELL CONFIDENTIAL,UNDER NDA#12103570ifwvhb3co0ojxa43sfk6w7we8f94ykc2nr-hpuf5cxz*MEC Technology Co.,Ltd.*UNDER NDA#12103570MARVELL CON

16、FIDENTIAL-UNAUTHORIZED DISTRIBUTION OR USE STRICTLY PROHIBITEDAbout this Document Copyright 2013 MarvellCONFIDENTIALDoc.No.MV-S109503-00 Rev.-August 6,2013,DraftDocument Classification:Proprietary InformationPage 3Not Approved by Document Control.For Review Only.PrefaceAbout this DocumentThe Link St

17、reet 88E6321/88E6320 Functional Specification provides a description of the switch core and PHYs,and includes the related register tables.Related Documents:?Link Street 88E6321/88E6320 Datasheet,which provides a features list and overview describing the features in the 88E6321 and 88E6320.It also pr

18、ovides the pin description,pin map,and electrical specifications(Document Number:MV-S108695-00)ifwvhb3co0ojxa43sfk6w7we8f94ykc2nr-hpuf5cxz*MEC Technology Co.,Ltd.MARVELL CONFIDENTIAL,UNDER NDA#12103570ifwvhb3co0ojxa43sfk6w7we8f94ykc2nr-hpuf5cxz*MEC Technology Co.,Ltd.MARVELL CONFIDENTIAL,UNDER NDA#1

19、2103570ifwvhb3co0ojxa43sfk6w7we8f94ykc2nr-hpuf5cxz*MEC Technology Co.,Ltd.*UNDER NDA#12103570MARVELL CONFIDENTIAL-UNAUTHORIZED DISTRIBUTION OR USE STRICTLY PROHIBITED Doc.No.MV-S109503-00 Rev.-CONFIDENTIAL Copyright 2013 MarvellPage 4Document Classification:Proprietary InformationAugust 6,2013,Draft

20、Not Approved by Document Control.For Review Only.Link Street 88E6321/88E6320 Functional Specification Table 1 shows the 88E6321/88E6320 device feature differences.Table 1:88E6321/88E6320 Functional Specification Device Differences 88E632188E6320Features#GE PHYs22#SERDES/GMII22#RGMII/MII/RMII33#GMII(

21、shared between Port 2 and Port 6)11802.3az(EEE)SupportYesYesPacket Buffer Memory1 Mbit1 MbitJumbo Frame Support10K Bytes10K Bytes#MAC Addresses8K8KQoSQueues per Port44802.1p,Port,TOS/DS,IPv6,TC,MACYesYesProgrammable WeightingYesYesVLANPort-based VLANsYesYes802.1Q VLANs40964096Double Tagging(Q in Q)Y

22、esYesManagementWake On LAN/Wake On FrameYesYesRemote Mgmt/Ethertype DSAYesYesLayer 2 PCLsYesYes802.1D/s/w Spanning TreeYesYes802.1X Port&MAC AuthenticationYesYesPort Mirroring/Port TrunkingYesYesIGMP/MLD SnoopingYesYesAVB802.1AS/Qat/QavYesYesTiming App I/F(TAI)YesYesOtherIEEE 1588v2YesYesIngress Rat

23、e Limiting Resources5/port5/portEgress Rate ShapingYesYesGPIO Pins(shared)1515Integrated Voltage RegulatorsYesYesSynchronous EthernetYesNo256 Entry TCAMYesNoCut Through SwitchingYesNoTypical Power0.9W0.9WPackage108 QFN108 QFNifwvhb3co0ojxa43sfk6w7we8f94ykc2nr-hpuf5cxz*MEC Technology Co.,Ltd.MARVELL

24、CONFIDENTIAL,UNDER NDA#12103570ifwvhb3co0ojxa43sfk6w7we8f94ykc2nr-hpuf5cxz*MEC Technology Co.,Ltd.MARVELL CONFIDENTIAL,UNDER NDA#12103570ifwvhb3co0ojxa43sfk6w7we8f94ykc2nr-hpuf5cxz*MEC Technology Co.,Ltd.*UNDER NDA#12103570MARVELL CONFIDENTIAL-UNAUTHORIZED DISTRIBUTION OR USE STRICTLY PROHIBITEDTabl

25、e of Contents Copyright 2013 MarvellCONFIDENTIALDoc.No.MV-S109503-00 Rev.-August 6,2013,DraftDocument Classification:Proprietary InformationPage 5Not Approved by Document Control.For Review Only.Table of Contents1Switch Core Functional Description.232Basic Switch Functions.242.1Physical Switch Data

26、Flow.242.2Physical Interface.252.3Media Access Controllers(MAC).252.3.1Backoff.262.3.2Half-duplex Flow Control.262.3.3Full-duplex Flow Control.262.3.4Forcing Flow Control in the MAC.272.3.5Jamming Control-Egress Limit.282.3.6Jamming Control-Ingress Limit.282.3.7Forcing Link,Speed,and Duplex in the M

27、AC.282.3.8MAC Based RMON/Statistics Counters.292.3.9Policy Based RMON/Statistics Counters.332.4Basic Switch Operation.342.4.1Lookup Engine.342.4.2Address Searching or Translation.352.4.3Automatic Address Learning.352.4.4Hardware Address Learn Limiting.362.4.5Automatic Address Aging.372.4.6CPU Direct

28、ed Address Learning and Purging.372.4.7802.1X Source MAC Address Checking.382.4.8Multiple Address Database Support(FID).393Normal Network Ports.403.1Ingress Policy.403.1.1Port States Filtering for 802.1D Spanning Tree.403.1.2Source Address Filtering.413.1.3Layer 2 Policy Control Lists.443.2VLANS.473

29、.2.1Port Based VLANs.473.2.2802.1Q VLANs.503.2.3802.1s Per VLAN Spanning Tree.533.3Special Frame Handling.553.3.1Switching Frames Back to their Source Port.553.3.2Tunneling Frames through VLANs.553.3.3ARP Mirroring.553.3.4IGMP Trapping or Snooping.56ifwvhb3co0ojxa43sfk6w7we8f94ykc2nr-hpuf5cxz*MEC Te

30、chnology Co.,Ltd.MARVELL CONFIDENTIAL,UNDER NDA#12103570ifwvhb3co0ojxa43sfk6w7we8f94ykc2nr-hpuf5cxz*MEC Technology Co.,Ltd.MARVELL CONFIDENTIAL,UNDER NDA#12103570ifwvhb3co0ojxa43sfk6w7we8f94ykc2nr-hpuf5cxz*MEC Technology Co.,Ltd.*UNDER NDA#12103570MARVELL CONFIDENTIAL-UNAUTHORIZED DISTRIBUTION OR US

31、E STRICTLY PROHIBITEDLink Street 88E6321/88E6320 Functional Specification Doc.No.MV-S109503-00 Rev.-CONFIDENTIAL Copyright 2013 MarvellPage 6Document Classification:Proprietary InformationAugust 6,2013,DraftNot Approved by Document Control.For Review Only.3.4Quality of Service(QoS)Classification.583

32、.4.1IEEE Tagged Frame Priority Extraction.583.4.2IPv4 and IPv6 Frame Priority Extraction.593.4.3Default Priority.603.4.4Initial Priority Selection.603.4.5Frame Type Priority Override.623.4.6Layer 2 Priority Override.633.5Port Based Ingress Rate Limiting(PIRL).643.6Queue Controller.693.6.1Frame Laten

33、cies.693.6.2No Head-of-Line Blocking.693.6.3QoS with and without Flow Control.693.6.4Guaranteed Frame Delivery without Flow Control.703.6.5The Queues.703.6.6Per Port Fixed or Weighted Priority.713.6.7Programmable Weighting Table.723.7Embedded Memory.733.8Egress Policy.743.8.1Forward Unknown/Secure Port.743.8.2Forward Unknown for Multicasts.743.8.3Secure 802.1Q VLANs.753.8.4Tagging and Untagging Fr